docs: def from_analysis_period(cls, analysis_period, clearness=1,
                               daylight_savings_indicator='No'):
          """"Initialize a OriginalClearSkyCondition from an analysis_period"""
          _check_analysis_period(analysis_period)
          return cls(analysis_period.st_month, analysis_period.st_day, clearness,
                     daylight_savings_indicator)